87661431

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{68113}}^1$

素因数の和:68143

約数の個数: 24

約数和(自身を含む): 148760976

約数和(自身を除く): 61099545

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 68113, 204339, 613017, 749243, 885469, 2247729, 2656407, 6743187, 7969221, 9740159, 29220477, 87661431]

約数ペア:

[(1, 87661431), (3, 29220477), (9, 9740159), (11, 7969221), (13, 6743187), (33, 2656407), (39, 2247729), (99, 885469), (117, 749243), (143, 613017), (429, 204339), (1287, 68113)]